A source told Eonline this week that that Anne is enjoying her pregnancy, working out but indulging and not stressing about any weight gain.

'Anne is feeling really healthy. She is working out and trying to stay in shape during this pregnancy,' the source told the website. 'Her energy levels are high.

'She has some new cravings. She is at a healthy pregnancy weight and not stressing out about the weight gain.'

The Oscar winner married producer and jewellry designer Adam Shulman in September 2012, after being engaged for 11 months. Last year, the One Day actress shared her desire to start a family while promoting Rio 2, saying: 'I've wanted to be a mother since I was 16 but I also just knew I wanted to have a career as well.'

And she added: 'So now I think that I'm getting to an age when I don't know exactly when that moment will be but I think I'm coming upon it.'

Exciting time: The husband and wife are expecting their first child together next year